8 ECG and Heart Rate
Overview.................................................................................8-2
Patient Preparation................................................................8-3
Selecting and Preparing the Electrodes ........................8-3
Preparing the Patient’s Skin ...........................................8-3
Positioning the Electrodes..............................................8-5
ECG Monitoring Settings ......................................................8-8
Cable Type ........................................................................8-8
Lead Selection and Display Amplitude ..........................8-9
Cascade Display.............................................................8-10
One- or Two-Channel Signal Processing.....................8-11
Pulse Tone Source.........................................................8-12
Pulse Tone Volume ........................................................8-13
Pacer Detection ..............................................................8-14
Displaying Sync Marks ..................................................8-15
ECG and HR Safety Considerations ..................................8-16
HR Alarm Settings..........................................................8-16
Neonatal ECG Monitoring..............................................8-16
ECG 50/60 Hz Notch Filter Setting................................8-16
Muscle Stimulators ........................................................8-16
Electrosurgery (ESU).....................................................8-17
Infusion pumps ..............................................................8-19
Defibrillators and Cardioversion ..................................8-19
High P-Waves and T-Waves ..........................................8-19
Pacemakers ....................................................................8-20
AV Sequential or DDD Pacemakers..............................8-21
Pacemakers with Impedance-Derived Rate Response .8-21
Large Amplitude Pacer Pulses .....................................8-22
Transcutaneous Electrical Nerve Stimulators (TENS) 8-22